This removal of air from the pump casing produces a partial vacuum on the pump inlet ,here the fluid is trapped between the teeth of the upper and lower gears and the pump casing .continued rotation of the gears forces the fluid out of the pump discharge .

這種泵內(nèi)空氣運動使泵吸入口處形成了真空动人A片免费毛片播放，于是外部油箱的液體在大氣壓的作用下黄频又色又硬又爽，由泵的入口進(jìn)入，聚集在上下齒輪和泵殼體之間在线欧美一级视频网站，齒輪連續(xù)的旋轉(zhuǎn)使液體流出泵的出口三级片免费网站视频。

Bull gear and pinion gear are mounted in lower casing via bearing seat.

大小齒輪均采用滲碳淬火鋼進(jìn)行制造，并采用硬齒面加工方法加工而成在线99热这里只有精品，強(qiáng)度很高另类欧美97性XXXXX。小傘齒輪和大傘齒輪均通過軸承座裝入下殼體中，兩軸承座法蘭下設(shè)有調(diào)整墊久久久免费播放视频，用于調(diào)整齒輪副接觸區(qū)的位置和齒側(cè)間隙欧美一级特黄大片色视频。

The difference between the calculating results of gas-oil rate considering or neglecting casing gas is compared. It is demonstrated that bigger error will be caused without considering casing gas. When the pressure at the casing shoe is lower than the babble point pressure, there is a certain proportion relation between the easing gas production and the submergence pressure as well as the easing-tubing sectional area ratio.

針對放套管氣生產(chǎn)油井，現(xiàn)場測試了多口油井的套管氣量国产.zipai，比較了考慮套管氣與忽略套管氣對氣油比計算結(jié)果的差異级特大黄片视频影院8e，證明忽略套管氣產(chǎn)量會給氣油比計算結(jié)果帶來較大偏差。

The pump rotor shaft and motor are installed vertically, pump inlet at the top of the lower part of the exhaust port at the pump, pump casing with a water-cooled units, to reduce the pump bearings and seal at the temperature.

泵的轉(zhuǎn)子軸及電機(jī)均為豎直安裝亚洲AV永久无码无毒，泵進(jìn)氣口在上面欧美性爱b啪啪，排氣口在泵下部，泵殼帶有水冷套一级真人特黄大片录，以降低泵軸承及軸封處的溫度影音先锋啪啪av资源网。

This type of tubing anchor is constitute by anchor body,turnover slip and the centralizer,it is installed in the lower end of the PCP.When the rotor is rotating,it drives the shell and rotary anchor to rotate clockwise.In the role of the friction between turnover slip and the casing,the turnover slip turns over , its outer diameter increases,then it locks to the casing and the anchoring implements.

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When the oil level in the lower casing reaches the intermediate mark in the oil window (not stop feeding oil to the gear reducer from filter press), startup oil pump in the lubricating station to feed oil to lower casing. In order to assess the oil level in the upper casing, it is allowed to remove the plug screw of observation hole at thrust bearing oil sump in the upper casing.

較為方便的方法是拆除減速機(jī)箱體中分面法蘭上的呼吸器一级片毛片黄片，利用其安裝孔對減速機(jī)下箱體進(jìn)行加油乱码视频午夜在线观看，當(dāng)減速機(jī)下箱中的油位到達(dá)后油窗中間刻線時（不停止濾油機(jī)對減速機(jī)的加油）人人透人人操人人干，可以啟動潤滑站油泵對減速機(jī)上箱體進(jìn)行加油。

The drive unit includes a drive shaft (3), which is arranged to carry the centrifuge rotor (2) and is rotatably journalled in at least one bearing member (4, 5), and a casing (6), which delimits an upper space (7), in which the drive shaft and the bearing member are located and a lower space (8) for storing oil.

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